Fish

Whether stream or ocean, the diversity and science of fish goes deep. This is the latest on the science of swimmers.

Latest in Fish

a screenshot of a video game
Animals

Animal Crossing’s most elusive fish has a bizarre real-life backstory

By Popular Science Team

Captain Jake Hiles and 708-pound tuna that is the pending new state Virginia record.
Animals

Anglers in Virginia reeled in a 700-pound tuna, then threw a dinner party

By Doug Howlett/Field & Stream

The mangrove-lined estuary on Abaco Island in the Bahamas.
Animals

Millions of people’s food supply depends on super-urinating fish

By Kate Baggaley

Sahara desert at sunset.
Animals

The Sahara used to be full of fish

By Sara Kiley Watson

cassiopea jellyfish
Animals

Upside-down jellyfish lob tiny grenades to kill prey

By Kate Baggaley

two fish side by side with one poking a bone into the other, but in a sexy way
Animals

This ancient bony fish was a sexual pioneer

By Rachel Feltman

Releasing a redfish
Animals

Releasing a caught fish isn’t as simple as tossing it overboard

By Capt. Spud Woodward/Sportfishing Mag

artist rendition of jellyfish with implants
Animals

Bionic jellyfish can swim three times faster

By Kate Baggaley

cuttlefish with 3D glasses
Animals

Cuttlefish perceive depth—and they wore 3D glasses to prove it

By Sara Kiley Watson

A packed canoe on the shore in Bowron Lake Provincial Park, of Canada.
Animals

The 10 best canoe trips in the U.S. and Canada

By Ben Duchesney/Field & Stream

Why countries with loads of nutritious fish also have the most malnourished residents
Animals

Why countries with loads of nutritious fish also have the most malnourished residents

By Kat Eschner

How some fish are adapted to thrive after catastrophic hurricanes
Animals

How some fish are adapted to thrive after catastrophic hurricanes

By Thomas J. Kwak and Alonso Ramirez/The Conversation

Magnificent ocean ghost stuns scientists
Animals

Magnificent ocean ghost stuns scientists

By Jess Romeo

Turns out there’s a shocking number of electric eels, and some could give off 1,000 volts
Animals

Turns out there’s a shocking number of electric eels, and some could give off 1,000 volts

By Jess Romeo

Zebrafish could teach humans a lot about the science of sleep
Animals

Zebrafish could teach humans a lot about the science of sleep

By Donavyn Coffey

The Atlantic cod’s migratory supergene comes at a cost
Animals

The Atlantic cod’s migratory supergene comes at a cost

By Donavyn Coffey

fish shoal close up
Animals

A 50-million-year-old school of fish is etched forever in this rare fossil

By Donavyn Coffey

chinook salmon ear stone otolith
Animals

The secret to saving salmon is lodged in their ears

By Ula Chrobak

Dinosaur extinction is an unsolved mystery. This ancient fish may have swallowed some crucial evidence.
Animals

Dinosaur extinction is an unsolved mystery. This ancient fish may have swallowed some crucial evidence.

By Neel V. Patel

scioto madtom
Animals

The endangered species list is full of ghosts

By Dyani Sabin

front, side, and from-below view of a tentacle-nosed catfish
Animals

Megapixels: These tentacle-nosed catfish are aquatic superheroes

By Jessica Boddy

Purple jellyfish float in the dark
Animals

The new jellyfish genome proves you don’t need weird genes to be a weirdo

By Charlie Wood

How we found a beautiful new species of snailfish deep beneath the sea
Animals

How we found a beautiful new species of snailfish deep beneath the sea

By Thomas Linley and Alan Jamieson/The Conversation

These fish build group homes that double as devious shrimp traps
Animals

These fish build group homes that double as devious shrimp traps

By Kate Baggaley

A fish that barely sleeps could help turn humans into all-night party animals
Animals

A fish that barely sleeps could help turn humans into all-night party animals

By Claire Maldarelli

The world’s fastest shark is no match for a sack of flaccid hagfish skin
Animals

The world’s fastest shark is no match for a sack of flaccid hagfish skin

By Sara Chodosh

Great tits aren’t the only things evolving to adapt to humans. Here are 12 others.
Animals

Great tits aren’t the only things evolving to adapt to humans. Here are 12 others.

By Sara Chodosh

jellyfish
Animals

These jellyfish don’t have brains, but still somehow seem to sleep

By Nicole Wetsman

Eel shocks scientist
Animals

One scientist’s truly shocking quest to understand eels

By Ellen Airhart

Why fish can’t help but eat our plastic garbage
Animals

Why fish can’t help but eat our plastic garbage

By Kendra Pierre-Louis

a goldfish
Animals

How goldfish use booze to get through a hard winter

By Rachel Feltman

Jellyfish use high-powered ‘syringes’ to shoot venom into your skin
Animals

Jellyfish use high-powered ‘syringes’ to shoot venom into your skin

By Mary Beth Griggs

Slimy, fleshy lips dripping with snot help these fish eat stinging corals
Animals

Slimy, fleshy lips dripping with snot help these fish eat stinging corals

By Mary Beth Griggs

Faceless fish
Animals

Faceless fish aren’t the only absurd creatures emerging from Australia’s Eastern Abyss

By Sara Chodosh

Your guide to the practical uses of hagfish slime, glowworm glue, and other animal goo
Animals

Your guide to the practical uses of hagfish slime, glowworm glue, and other animal goo

By Kate Baggaley

Octopuses can basically edit their own genes on the fly
Animals

Octopuses can basically edit their own genes on the fly

By Rachel Feltman

Plagued by predators in the sea, these fish are moving onto land
Animals

Plagued by predators in the sea, these fish are moving onto land

By Mark D. Kaufman

Don’t hate on deep-sea critters. They’ve got to be weird to survive.
Animals

Don’t hate on deep-sea critters. They’ve got to be weird to survive.

By Kate Baggaley

Dead Fish
Animals

Why thousands of dead fish flooded a New York canal

By Mary Beth Griggs

We Know Why The Midshipman Fish Sings
Animals

We Know Why The Midshipman Fish Sings

By Kate Baggaley

This Battery-Free Generator Is Made From Fish Scales
Animals

This Battery-Free Generator Is Made From Fish Scales

By Kate Baggaley

Cultivated Carp ‘Reverse Evolve,’ Grow Scales Back
Animals

Cultivated Carp ‘Reverse Evolve,’ Grow Scales Back

By Coby McDonald

Found: Two New Species Of Glowing Fish
Animals

Found: Two New Species Of Glowing Fish

By Kate Baggaley

Newly-Discovered Antarctic Bacteria Could Be Cramming Seafood With Mercury
Animals

Newly-Discovered Antarctic Bacteria Could Be Cramming Seafood With Mercury

By Meaghan Lee Callaghan

Tiny, Eyeless Catfish Found In Texas Cave
Animals

Tiny, Eyeless Catfish Found In Texas Cave

By Meaghan Lee Callaghan

Fish Can Tell The Difference Between Human Faces
Animals

Fish Can Tell The Difference Between Human Faces

By Meaghan Lee Callaghan

Australia Will Deliberately Release Herpes Virus To Kill Invasive Carp
Animals

Australia Will Deliberately Release Herpes Virus To Kill Invasive Carp

By Mary Beth Griggs

Video: Gorgeous, Weird Jellyfish Found Near Mariana Trench
Animals

Video: Gorgeous, Weird Jellyfish Found Near Mariana Trench

By Mary Beth Griggs

jellyfish
Animals

Scientists Capture The Sounds Of Underwater Migrations

By Lindsey Kratochwill

We’re Catching Millions Of Tons More Fish Each Year Than We Report
Animals

We’re Catching Millions Of Tons More Fish Each Year Than We Report

By Mary Beth Griggs

The Secret To Swimming Like A Jellyfish? Pull, Don’t Push
Animals

The Secret To Swimming Like A Jellyfish? Pull, Don’t Push

By Mary Beth Griggs

Fish got your teeth?
Animals

Your Tooth Enamel Might Have Started As Fish Scales

By Mary Beth Griggs

The Most Sustainable Way To Raise Seafood Might Be On Land
Animals

The Most Sustainable Way To Raise Seafood Might Be On Land

By Lois Parshley

Coelacanth
Animals

‘Living Fossil’ Fish Has Lungs

By Mary Beth Griggs

New Sun-Blocking Material Uses Compounds From Algae And Fish
Animals

New Sun-Blocking Material Uses Compounds From Algae And Fish

By Alexandra Ossola

When You Smell Fish, You Think More Critically
Animals

When You Smell Fish, You Think More Critically

By Alexandra Ossola

How To Fix A Goldfish
Animals

How To Fix A Goldfish

By Kelsey D. Atherton

Do Fish Get Out Of Breath?
Animals

Do Fish Get Out Of Breath?

By Daniel Engber

Translucent Fish Found Alive Deep Under Antarctic Ice
Animals

Translucent Fish Found Alive Deep Under Antarctic Ice

By Mary Beth Griggs

Found: The World’s Newest Deepest-Dwelling Fish
Animals

Found: The World’s Newest Deepest-Dwelling Fish

By Lindsey Kratochwill

Fish Hide From Predators By Smelling Like Coral
Animals

Fish Hide From Predators By Smelling Like Coral

By Rohan Brooker, University of Georgia

Rare Anglerfish Caught On Video
Animals

Rare Anglerfish Caught On Video

By Rafi Letzter

Program That Mimics Fish Schooling Fools Fish Experts
Animals

Program That Mimics Fish Schooling Fools Fish Experts

By Francie Diep

If A Fish Grows Up On Land, Will It Learn To Walk?
Animals

If A Fish Grows Up On Land, Will It Learn To Walk?

By Loren Grush

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